body{
	margin:20px auto ;
	padding: 0;	
	font-size: 30px;
	font-family: "楷体";
	background-color: white;
}
a{
	text-decoration: none;
}
a:hover{
	color: lightskyblue;
}
#wrapper{
	margin: 0 auto;
	padding: 50px;
	width: 1200px;
	height: 1200px;
	position: relative;
	background-image: url(../img/cd8400f8f3b18e93ac9f4ccbdbf2159.jpg);
	background-repeat: no-repeat; 
	background-size: 100%;
	border: solid 2px;
}
#content_left{
	float: left;
	margin: 120px 0 0 180px;
	width: 400px;
	height: 800px;
}
#nav{
	float: left;
	font-size: 20px ;
}
#nav a{
	color: black;
}
#nav a:hover{
	color: lightskyblue;
}
#content_left img{
	margin-top: 20px;
	width: 380px;
	height: 600px;
	border: solid 3px black;
}
#footer{
	margin-top:50px;
	width: 380px;
	height: 100px;
	text-align: center;
}
#footer span{
	margin: 0px 10px;
}
#footer a{
	color: white;
	background-color: blue;
	font-weight: bold;
	border-radius: 15px;
	padding: 10px;
}
#footer a:hover{
	background-color: lightskyblue;
	color: white;
}
#content_right{
	float: right;
	width: 500px;
	margin: 120px 50px 0 0;
}
#content_right1{
	margin-top: 50px;
}
#content_right2{
	margin-top: 30px;
}
#content_right2 h2{
	margin: 10px 0;
}